2
No, Dodge doesn't use maf sensors.
oxygen sensors or O2 sensors
2
Two
There are four.
They are on both sides of the catalytic converter.
Either sensor can fail.
in the exhaust pipe just below manifolds
The oxygen sensor is mounted in the exhaust down-pipe
if it's a four cylinder, it has two. if it's a six cylinder it has four.
Wher are the oxygen sensors located on a 2001 rx300 Lexus SUV
How many oxygen sensors are there for a 2001 Chevy Tahoe 5.3L